CN209679896U - Mixing arm and blender - Google Patents
Mixing arm and blender Download PDFInfo
- Publication number
- CN209679896U CN209679896U CN201821569311.XU CN201821569311U CN209679896U CN 209679896 U CN209679896 U CN 209679896U CN 201821569311 U CN201821569311 U CN 201821569311U CN 209679896 U CN209679896 U CN 209679896U
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- Prior art keywords
- rotating vane
- blade
- mixing arm
- rotating
- rotating body
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Abstract
The utility model discloses a kind of mixing arm and blenders, are related to blender technical field.The mixing arm includes rotating body and rotating vane, and the rotating vane is arranged at intervals at the circumferential direction of the rotating body.The rotating vane includes elongated blade and short blade, and the elongated blade and the short spacing with blades are staggered.Mixing arm design is reasonable, structure is simple, rotating vane is designed as long short blade construction, be conducive in stirring work, fluid, solid-liquid mixture of stirring etc. generate close velocity vector with rotating vane, to mitigate the abrasion to rotating vane, destruction of the cavitation erosion to rotating vane is reduced, the break-off of anti-corrosion material on mixing arm is also improved.
Description
Technical field
The utility model relates to blender technical fields, in particular to a kind of mixing arm and blender.
Background technique
Blender is to make liquid, gas medium forced convection and mixed uniformly device.The type of blender, size and
Revolving speed all has an impact to distribution of the power of agitator between overall flow and turbulence pulsation.
It is, in general, that the power distribution of turbine agitator is advantageous to turbulence pulsation, and propeller mixer is to ensemble stream
It is dynamic advantageous.For same type of blender, power consumption under the same conditions, major diameter, the slow-speed of revolution blender,
Power is mainly consumed in overall flow, is conducive to micromixing.Minor diameter, high-revolving blender, power are mainly consumed in rapids
Stream pulsation, is conducive to microcosmic mixing.
Existing blender is easy to wear between aggravation blade and rotary shaft, in turn results in preserving timber in rotary work
Material easily falls off.
Utility model content
The purpose of this utility model is to provide a kind of mixing arm, rationally, structure is simple, reduces pivoting leaf for design
Abrasion between piece and rotating body improves the disengaging situation of anti-corrosion material.
The purpose of this utility model, which also resides in, provides a kind of blender, has the advantages that above-mentioned mixing arm.
The embodiments of the present invention are achieved in that
Based on above-mentioned purpose, the embodiments of the present invention provide a kind of mixing arm, including rotating body and rotation
Rotating vane piece, the rotating vane are arranged at intervals at the circumferential direction of the rotating body；
The rotating vane includes elongated blade and short blade, and the elongated blade and the short spacing with blades interlock
Setting.
In addition, the mixing arm that embodiment according to the present utility model provides, can also have following additional technology
Feature:
In the alternative embodiment of the utility model, the quantity phase of the quantity of the elongated blade and the short blade
Together.
In the alternative embodiment of the utility model, the length of the length dimension of the elongated blade than the short blade
The 8%~12% of the size short length of blade size described greatly.
In the alternative embodiment of the utility model, two rotating vanes being oppositely arranged are one group, and are length
Type blade or short blade, same group of the elongated blade or the short blade are located along the same line.
In the alternative embodiment of the utility model, the rotating vane includes opposite end and root, the root
It is seamlessly transitted with the junction of the rotating body, the end is convex structure.
In the alternative embodiment of the utility model, the rotating vane and the rotating body are integrally formed.
In the alternative embodiment of the utility model, the junction of the rotating vane and the rotating body is smoothed
It crosses.
In the alternative embodiment of the utility model, the longitudinal section of the rotating vane is aerofoil profile.
In the alternative embodiment of the utility model, the rotating vane uses 0Cr19Ni9 stainless steel material.
The utility model provides a kind of blender, including shell, actuator and mixing arm；
The shell includes pedestal, is provided with stir chamber above the pedestal, the actuator is fixedly installed on the bottom
Seat, and including power output shaft, the rotating body is fixedly connected with the power output shaft, and is located in the stir chamber,
The actuator drives the mixing arm to rotate in the stir chamber.
The beneficial effect of the utility model embodiment is:
Rationally, structure is simple, and rotating vane is designed as long short blade construction for design, is conducive in stirring work,
Fluid, solid-liquid mixture of stirring etc. generate close velocity vector with rotating vane, thus mitigate the abrasion to rotating vane,
Destruction of the cavitation erosion to rotating vane is reduced, the break-off of anti-corrosion material on mixing arm is also improved.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the schematic diagram at the first visual angle of mixing arm that the utility model embodiment 1 provides；
Fig. 2 is the schematic diagram at the second visual angle of mixing arm that the utility model embodiment 1 provides；
Fig. 3 is the structural schematic diagram of mixing arm；
Fig. 4 is the arrangement figure of each longitudinal section of rotating vane in Fig. 1；
Fig. 5 is the polar plot of one of longitudinal section in Fig. 4.
Icon: 1- mixing arm；2- rotating body；3- rotating vane；4- elongated blade；5- short blade.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
Embodiment 1
Fig. 1 is the schematic diagram at 1 first visual angle of mixing arm that the present embodiment 1 provides, and Fig. 2 is what the present embodiment 1 provided
The schematic diagram at 1 second visual angle of mixing arm, please refers to shown in Fig. 1 and Fig. 2.
The mixing arm 1 is applied in blender, including rotating body 2 and rotating vane 3, and the interval of rotating vane 3 is set
It is placed in the circumferential direction of rotating body 2, by the rotation of rotating body 2, rotating vane 3 is driven to rotate around rotating body 2.
In the present embodiment 1, rotating vane 3 includes elongated blade 4 and short blade 5, between elongated blade 4 and short blade 5
Every being staggered, long short blade construction is formed.
Due to existing blender, for being stirred to different fluid, there is certain viscosity, when fluid exists in fluid
When flowing in pipeline, there are laminar flow, transition flow, turbulence three states, is stirred when using fluid of the blender to different viscosities
When, often aggravate abrasion of the fluid to mixing arm, so that corrosion-inhibiting coating falls off.
Mixing arm 1 provided in this embodiment selects long short blade construction, is conducive in stirring work, to stirring
Fluid, solid-liquid mixture etc. generate close velocity vector with rotating vane 3, to mitigate the abrasion of rotating vane 3, also drop
The destruction of low cavitation erosion.
In addition, the length of the elongated blade 4 in long short blade increases, so that the surface area of rotating vane 3 increases, curvature
Reduce, improves the smooth degree of rotating vane 3, further alleviate the degree of wear of rotating vane 3.
The specific structure to all parts of the mixing arm 1 and mutual corresponding relationship carry out specifically below
It is bright.
Fig. 3 is the structural schematic diagram of mixing arm 1, shown referring to figure 3..
Rotating body 2 is column structure, as turnbarrel, for fixing with Power Available Shaft, so that rotating body 2 is solid
Surely it is sheathed on Power Available Shaft, rotating vane 3 includes two kinds of blades, respectively elongated blade 4 and short blade 5, and long
Type blade 4 and short blade 5 are staggeredly spaced setting.
In order to guarantee the stability of mixing arm 1 when rotated, optionally, the quantity and short blade 5 of elongated blade 4
Quantity it is identical, elongated blade 4 and the evenly spaced circumferential direction that rotating body 2 is arranged in of short blade 5 ensure that blender leaf
The balance and stability of piece 1 during rotation.
It please refers to shown in Fig. 1, the extension angle of single elongated blade 4 is identical with the extension angle of single short blade 5, single
The length dimension of a elongated blade 4 is bigger than the length dimension of single short blade 5, and optionally, the length of elongated blade 4 compares short
The 8%~12% of big 5 length of short blade of the length of blade 5.
In the present embodiment, the length dimension of elongated blade 45 length of short blade bigger than the length dimension of short blade 5
The 10% of size.
The equal arc transition in surface of each rotating vane 3, so that the smooth outer surface of rotating vane 3, is conducive to reduce and stir
The degree of wear in mixing.
Two rotating vanes 3 that definition is oppositely arranged on 2 two sides of rotating body are one group, then, same group is a kind of rotation
Blade 3, that is, two rotating vanes 3 being oppositely arranged are elongated blade 4 or short blade 5, same group of two rotating vanes 3
Center line be located along the same line, that is to say, that same group of two elongated blades 4 or short blade 5 are symmetricly set on rotation
Turn the two sides of ontology 2.
In the present embodiment, the quantity of rotating vane 3 is four, and two symmetrically arranged elongated blades 4, two symmetrically set
The short blade 5 set, elongated blade 4 and short blade 5 are staggeredly spaced setting, and four 3 uniform rings of rotating vane are located at rotation
Stationarity not only can be improved in the circumferential direction for turning ontology 2, while can reduce abrasion of the fluid to rotating vane 3, reduces cavitation erosion
It destroys.
It is theoretical according to Computational Fluid Dynamic Analysis it is found that long short blade construction facilitates mixing arm 1 is rotating
In whipping process, liquid, solid-liquid mixture of stirring etc. generate close velocity vector with rotating vane 3, to reduce stream
Abrasion of the body to rotating vane 3 reduces destruction of the cavitation erosion to rotating vane 3.
Optionally, rotating vane 3 includes opposite end and root, and the one end connecting with rotating body 2 is root, separate
One end of rotating body 2 is end, is seamlessly transitted between root and rotating body 2, improves rotating vane 3 and rotating body 2 connects
The smoothness at place is connect, end is designed as convex structure.
Fig. 4 is the arrangement figure of each longitudinal section of rotating vane 3, and Fig. 5 is the polar plot of one of longitudinal section in Fig. 4, is asked
Referring to shown in Fig. 4 and Fig. 5.
In the present embodiment, the longitudinal section of rotating vane 3 is airfoil structure.
Rotating vane 3 is designed according to the principle of quasi- three-dimensional indirect problem design, the velocity vector in flow field is decomposed into two
Component (circumferential component and cyclical component) is solved, while streaming situation building governing equation according to the smooth of blade.
Wherein, the stream function expression formula of circumferential component are as follows:
Wherein, r, z are respectively three dimensional space coordinate direction vector；Ψ is stream function；F is the cornerite of runner bucket；
For the circumferential speed component in flow field.
The velocity potential function expression formula of cyclical component are as follows:
In formula,For potential function；N is that item is unfolded in Fourier；D is the number of blade；I is empty vector.
Since the smooth degree of blade is directly related to the smoothness of fluidised form.
Therefore, smooth boundary of streaming is the condition that blade must satisfy, basic representation are as follows:
In formula, VZ、VrThe respectively axially and radially velocity component of blade；WθFor the circumferential speed component of blade.
Simultaneous formula (1)~(3) can obtain, the aerofoil profile size and threedimensional model in each section of mixing arm 1.
By Fig. 4 and Fig. 5 it can be concluded that, airfoil structure design the advantages of be:
Multiphase flow liquid motion state when being worked using mixing arm 1 is designed as foundation and is suitable for liquid operation
The rotating vane 3 of rule, and ensure its smooth degree.The period of design can either be shortened in this way, and rotation can be advanced optimized
Moving law when rotating vane piece 3 works mitigates abrasion, the cavitation destruction of rotating vane 3 at work, lift agitator blade 1
Stability and service life.
It is most of using rotating body 2 and the dismountable form of rotating vane 3 in existing blender, it is applied on blade
The preserving timber bed of material is covered, when blender makes rotating motion at work, often in 2 junction of rotating vane 3 and rotating body, is made
In the mixing arm 1 for falling off, and being detachably connected at anti-corrosion material, the junction smoothness of rotating body 2 and rotating vane 3
Not enough, when it is in rotary motion, it is easy abrasion of the aggravation fluid to rotating vane 3.
Therefore it is optional, rotating vane 3 and rotating body 2 use integrally formed structure, and rotating vane 3 and rotating body
2 junction smooth transition, improves the smoothness of rotating vane 3, in this way when mixing arm 1 is in rotary course, so that it may
Mitigate abrasion of the substance to junction in fluid.
Optionally, rotating vane 3 uses 0Cr19Ni9 stainless steel material, and the material of rotating vane 3 and rotating body 2 can be with
It is identical, can not also be identical, when rotating vane 3 and rotating body 2 are integrally formed, can be fixed company by welding manner
It connects.
Optionally, it in order to improve the anti-corrosive properties of mixing arm 1, is all provided in the outer surface of rotating body 2 and rotating vane 3
It is equipped with line with rubber, to reach anti-corrosion effect.
The mixing arm 1 that the utility model embodiment 1 provides has the beneficial effect that
Design rationally, structure it is simple, by dividing rotating vane 3 for elongated blade 4 and short blade 5, so that fluid, solid
Close velocity vector is generated between liquid mixture etc. and rotating vane 3, to reduce the abrasion condition of rotating vane 3, is also dropped
Destruction of the low cavitation erosion to rotating vane 3, improves the anti-corrosion material break-off of mixing arm 1.By rotating body 2 and rotation
After rotating vane piece 3 is integrally formed, the junction between rotating body 2 and rotating vane 3 is seamlessly transitted, the smooth of junction is improved
Degree reduces the wear condition of rotating vane 3 at work, improves the stability of mixing arm 1, prolongs the service life.
Embodiment 2
The utility model embodiment 2 provides a kind of blender, including shell, actuator and as embodiment 1 provides
Mixing arm 1, is described as follows:
Shell includes pedestal, is provided with stir chamber above pedestal, and actuator is fixedly installed in pedestal, and actuator is dynamic
Power output shaft wears out from the bottom wall of stir chamber, and mixing arm 1 is rotatably set in stir chamber by actuator.
Rotating body 2 is fixedly connected with the power output shaft of actuator, and power output shaft drives rotating body 2 to rotate, and is stirred
It mixes device blade 1 to be located in stir chamber, drives mixing arm 1 to rotate in stir chamber by actuator, thus in stir chamber
Fluid be stirred.
Rotating vane 3 in the blender is long short structure, so that the external surface area of elongated blade 4 increases, curvature subtracts
It is small, and junction seamlessly transits between rotating vane 3 and rotating body 2, reduces the degree of wear of rotating vane 3, improves
The disengaging situation of anti-corrosion material, 1 outer surface of mixing arm is coated with line with rubber, to reach preferable anti-corrosion effect.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention can be tied mutually
It closes.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of mixing arm, which is characterized in that including rotating body and rotating vane, the rotating vane is arranged at intervals at
The circumferential direction of the rotating body；
The rotating vane includes elongated blade and short blade, and the elongated blade and the short spacing with blades are staggeredly set
It sets；
The rotating vane and the rotating body are integrally formed；
The outer surface of the rotating body and the rotating vane is provided with line with rubber；
The rotating vane is set along the circumferential uniform ring of the rotating body.
2. mixing arm according to claim 1, which is characterized in that the quantity of the elongated blade and the short leaf
The quantity of piece is identical.
3. mixing arm according to claim 1, which is characterized in that the length dimension of the elongated blade is shorter than described
The 8%~12% of the length dimension of the type blade short length of blade size described greatly.
4. mixing arm according to claim 2, which is characterized in that two rotating vanes being oppositely arranged are one
Group, and be elongated blade or short blade, same group of the elongated blade or the short blade are located along the same line.
5. mixing arm according to claim 1, which is characterized in that the rotating vane includes opposite end and root
The junction of portion, the root and the rotating body seamlessly transits, and the end is convex structure.
6. mixing arm according to claim 1, which is characterized in that the company of the rotating vane and the rotating body
Connect place's smooth transition.
7. mixing arm according to claim 6, which is characterized in that the longitudinal section of the rotating vane is aerofoil profile.
8. mixing arm described in -7 any one according to claim 1, which is characterized in that the rotating vane uses
0Cr19Ni9 stainless steel material.
9. a kind of blender, which is characterized in that including stirring described in shell, actuator and claim 1-8 any one
Device blade；
The shell includes pedestal, is provided with stir chamber above the pedestal, and the actuator is fixedly installed on the pedestal, and
Including power output shaft, the rotating body is fixedly connected with the power output shaft, and is located in the stir chamber, the drive
Moving part drives the mixing arm to rotate in the stir chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821569311.XU CN209679896U (en) | 2018-09-25 | 2018-09-25 | Mixing arm and blender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821569311.XU CN209679896U (en) | 2018-09-25 | 2018-09-25 | Mixing arm and blender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209679896U true CN209679896U (en) | 2019-11-26 |
Family
ID=68594077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821569311.XU Expired - Fee Related CN209679896U (en) | 2018-09-25 | 2018-09-25 | Mixing arm and blender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209679896U (en) |
-
2018
- 2018-09-25 CN CN201821569311.XU patent/CN209679896U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Bigen Fruit Industry Development Co.,Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000322 Denomination of utility model: Mixing arm and blender Granted publication date: 20191126 License type: Common License Record date: 20191203 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yangzhou little apple gardening Co.,Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000340 Denomination of utility model: Mixing arm and blender Granted publication date: 20191126 License type: Common License Record date: 20191206 Assignee: Beijing Huamei Wanxiang Technology Co.,Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000339 Denomination of utility model: Mixing arm and blender Granted publication date: 20191126 License type: Common License Record date: 20191206 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Houde Biotechnology Co.,Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000374 Denomination of utility model: Mixing arm and blender Granted publication date: 20191126 License type: Common License Record date: 20191218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191126 Termination date: 20210925 |